li {
    list-style: none;
}

.box {
    position: fixed;
    bottom: 0;
}

.box ul {
    display: flex;
    justify-content: space-between;
    text-align: center;
    align-items: center;
    height: 50px;
    background-color: #fff;
}

.box ul li img {
    width: 20%
}

.green {
    color: green
}